Home / 168,482,723.40-252,724,085.10-40,831,907.40

Finding the Fourth Proportional to 168,482,723.40, 252,724,085.10 and 40,831,907.40

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Solution

The fourth proportional to 168,482,723.40, 252,724,085.10 and 40,831,907.40 is: 61,247,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,482,723.40 : 252,724,085.10 = 40,831,907.40 : x
  2. Step 2: Convert to fraction form
    168,482,723.40/252,724,085.10 = 40,831,907.40/x
  3. Step 3: Cross multiply
    168,482,723.40x = 252,724,085.10 × 40,831,907.40
  4. Step 4: Simplify right side
    168,482,723.40x = 10,319,206,440,552,920
  5. Step 5: Solve for x
    x = 10,319,206,440,552,920/168,482,723.40
  6. Step 6: Final answer
    x = 61,247,861.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.